Since the deduplication option was enabled on the Windows Server (currently at about 40 percent deduplication rate overall), the speed of the Backup Exec 16 job became much slower - less than 30 percent of the speed observed previously. Apparently, Backup Exec can back up only non-optimized, i.e. non-deduplicated data. Accordingly, it seems that the Windows Server needs to rehydrate the data before it can be written to tape. Still, I wonder if there isn’t a way to optimize the whole process so that backups are completed faster. Any thoughts?
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1This would be better directed to vendor support. – Tim Brigham Jan 26 '17 at 14:09
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1Sounds like you get to make a tradeoff between backup speed and disk usage. – womble Mar 17 '17 at 01:30